001    /**
002     *   GRANITE DATA SERVICES
003     *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004     *
005     *   This file is part of the Granite Data Services Platform.
006     *
007     *   Granite Data Services is free software; you can redistribute it and/or
008     *   modify it under the terms of the GNU Lesser General Public
009     *   License as published by the Free Software Foundation; either
010     *   version 2.1 of the License, or (at your option) any later version.
011     *
012     *   Granite Data Services is distributed in the hope that it will be useful,
013     *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014     *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015     *   General Public License for more details.
016     *
017     *   You should have received a copy of the GNU Lesser General Public
018     *   License along with this library; if not, write to the Free Software
019     *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020     *   USA, or see <http://www.gnu.org/licenses/>.
021     */
022    package org.granite.config;
023    
024    import java.util.List;
025    import java.util.Map;
026    import java.util.Set;
027    
028    import org.granite.messaging.service.tide.TideComponentAnnotatedWithMatcher;
029    import org.granite.messaging.service.tide.TideComponentInstanceOfMatcher;
030    import org.granite.messaging.service.tide.TideComponentMatcher;
031    import org.granite.messaging.service.tide.TideComponentNameMatcher;
032    import org.granite.messaging.service.tide.TideComponentTypeMatcher;
033    
034    /**
035     * @author Franck WOLFF
036     */
037    public class TideComponentMatcherFactory {
038    
039        public TideComponentMatcher getTypeMatcher(String type, boolean disabled) throws GraniteConfigException {
040            try {
041                return new TideComponentTypeMatcher(type, disabled);
042            } catch (Exception e) {
043                throw new GraniteConfigException("Could not instantiate Tide component matcher for type: " + type, e);
044            }
045        }
046        
047        public TideComponentMatcher getNameMatcher(String name, boolean disabled) throws GraniteConfigException {
048            try {
049                return new TideComponentNameMatcher(name, disabled);
050            } catch (Exception e) {
051                throw new GraniteConfigException("Could not instantiate Tide component matcher for name: " + name, e);
052            }
053        }
054        
055        public TideComponentMatcher getInstanceOfMatcher(String type, boolean disabled) throws GraniteConfigException {
056            try {
057                return new TideComponentInstanceOfMatcher(type, disabled);
058            } catch (Exception e) {
059                throw new GraniteConfigException("Could not instantiate Tide component matcher for instance of: " + type, e);
060            }
061        }
062        
063        public TideComponentMatcher getAnnotatedWithMatcher(String type, boolean disabled) throws GraniteConfigException {
064            try {
065                return new TideComponentAnnotatedWithMatcher(type, disabled);
066            } catch (Exception e) {
067                throw new GraniteConfigException("Could not instantiate Tide component matcher for annotated with: " + type, e);
068            }
069        }
070    
071        
072        public static boolean isComponentTideEnabled(
073            Map<String, Object[]> tideComponentsByName,
074            List<TideComponentMatcher> tideComponentMatchers,
075            String componentName, Set<Class<?>> componentClasses, Object componentInstance) throws GraniteConfigException {
076            
077            String key = componentName != null ? componentName : componentClasses.toString();
078            if (tideComponentsByName.containsKey(key)) {
079                    if ((Integer)tideComponentsByName.get(key)[1] == componentClasses.hashCode())
080                            return (Boolean)tideComponentsByName.get(key)[0];
081            }
082    
083            boolean enabled = false;
084            for (TideComponentMatcher matcher : tideComponentMatchers) {
085                if (matcher.matches(componentName, componentClasses, componentInstance, false)) {
086                    enabled = true;
087                    break;
088                }
089            }
090            
091            tideComponentsByName.put(key, new Object[] { enabled, componentClasses.hashCode()});
092            return enabled;
093        }
094        
095        public static boolean isComponentTideDisabled(
096            Map<String, Object[]> tideComponentsByName,
097            List<TideComponentMatcher> tideComponentMatchers,
098            String componentName, Set<Class<?>> componentClasses, Object componentInstance) throws GraniteConfigException {
099            
100            String key = componentName != null ? componentName : componentClasses.toString();
101            if (tideComponentsByName.containsKey(key)) {
102                    if ((Integer)tideComponentsByName.get(key)[1] == componentClasses.hashCode())
103                            return (Boolean)tideComponentsByName.get(key)[0];
104            }
105    
106            boolean disabled = false;
107            for (TideComponentMatcher matcher : tideComponentMatchers) {
108                if (matcher.matches(componentName, componentClasses, componentInstance, true)) {
109                    disabled = true;
110                    break;
111                }
112            }
113            
114            tideComponentsByName.put(key, new Object[] { disabled, componentClasses.hashCode()});
115            return disabled;
116        }
117    }